Rod connection



UNITED STATES PATENT, OFFICE.

HENRY P. BOYD, OF BELLEVUE, PENNSYLVANIA, ASSIGNOR OF ONE-FOURTH TOGEORGE A. DIOKSON, OF PITTSBURG, PENNSYLVANIA. i

Roo CONNEQTIO N.

SPECIFICATION forming part of Letters Patent N0. 569,995, dated October27, 1896.

Application iled May ll, 1895. Serial No. 548,962. (No model.)

T0 all whom t man con/cern,.- p

Be it known that I, HENRY P. BOYD,of Bellevue, in the county ofAllegheny and State of Pennsylvania, have invented a new and usefulImprovement in Rod Connections, of which the following is a full, clear,and exact description, reference being had to the accompanying drawing,forming part of this specification, in which the figure is a sideelevation, partly broken away, of a rod connection constructed inaccordance with myinvention.

My invention relates to the connecting or coupling up of a series ofrods for use as stayrods, oil-well connections, &c., and is designed toprovide a connected series of rods which shall consist of but twodifferent types of parts, the rods and correspondingly the sleeves beingsimilar to each other.

In the drawing, 2 represents a couplingsleeve having at one end a hole 3of about the same size as the rod, this hole leading into a larger` holeor cavity 4, which enlarged cavity receives the heads upon the oppositeends of the two adjacent rods. This larger cavity is screw-threaded forat least a portion of its length, and these screw-threads are engaged bysimilar screw-threads upon the exterior of a collar 5, which surroundsthe rod adjacent to the head. In connecting up the rods, each of whichis exactly similar in the connected series, I take a rod having a headat one end, and pushing the other end of this rod through the hole 3 inthe coupling-sleeve the sleeve is slid down the rod a sufficientdistance to allow the upsetting of this end of the rod into a head 6.The coupling-sleeve is then slid back until this head fits against theshoulder or offset in the sleeve, and the head 7 of the next rod in theseries being pushed into the larger cavity the 4o collar 5, which isslipped over the rod, is screwed into place in the sleeve, thus giving astrong and secure connection for the rods. The sleeve may be providedwith a squared portion, if desired, for the application of a wrench toturn the sleeve, and, if desired, a lug 8 may be used upon the sleevefor suspending the series of rods wherever they are used in oil-wellconnections and similar locations. -5`o The advantages of my inventionwill be apparent to those skilled in the art, since by the use of twosimple types of parts, namely, the series of rods, each similar to theother and each having the screw-threaded sleeve, and the series ofcoupling-sleeves, each similar to the other, a cheap and strongconnected series of rods is obtained, thus doing away with the troubleof making and arranging several different types of parts.

I claim- A series of connected rods, each having at one end an integralenlarged head, an exteriorly-screw-threaded sleeve butting against thehead, and engaging the larger innerlyscrew-threaded cavity of thecoupling-sleeve, and its other end pushed through the smaller hole ofthe next similar sleeve and then upset so as to form a head ofsubstantially the same size as the head at the other end, sub- 7ostantially as described.

In testimony whereof I have hereunto set my hand.

HENRY P. BOYD.

lVitnesses E. M. NEFF, CHAS. GESELLOHEN.

